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प्रश्न
In an a.c. generator the speed at which the coil rotates is doubled. How would this affect
- the frequency of output voltage,
- the maximum output voltage is doubled.
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उत्तर
- In an a.c generator, if the speed at which the coil rotates is doubled, the frequency is also doubled.
- The maximum output voltage is also doubled.
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संबंधित प्रश्न
Name some sources of direct current.
What is the function of brushes in an electric generator?
A d.c. generator is based on the principle of:
(a) electrochemical induction
(b) electromagnetic induction
(c) magnetic effect of current
(d) heating effect of current
Suggest two ways in an a.c. generator to produce a higher e.m.f.
What energy conversion does take place in a generator when it is in use?
Explain the difference:
AC generator and DC generator.
An a.c. generator changes the ______energy to ______ energy.
State true or false:
The frequency of AC is 50 Hz.
The part of the AC generator that passes the current from the armature coil to the external circuit is ______.
Draw a neat diagram of an AC generator and explain its working.
